> For the complete documentation index, see [llms.txt](https://circleci.com/docs/llms.txt) # Open source acknowledgments This page provides the details of 3rd-party open source components used in CircleCI products. **Release agent:** The following 3rd-party open source components are used in the CircleCI release agent. The release agent is used to integrate CircleCI with Kubernetes clusters for release management. For more information, see the [Deploys](https://circleci.com/docs/guides/deploy/deployment-overview/) guides. name licenses github.com/argoproj/argo-rollouts Apache-2.0 github.com/cenkalti/backoff/v5 MIT github.com/circleci/ex MIT github.com/emicklei/go-restful/v3 MIT github.com/google/gnostic-models Apache-2.0 github.com/google/go-cmp BSD-3-Clause github.com/google/uuid BSD-3-Clause github.com/hashicorp/go-retryablehttp MPL-2.0 github.com/kelseyhightower/envconfig MIT github.com/maxbrunsfeld/counterfeiter/v6 MIT github.com/mittwald/go-helm-client MIT github.com/zailic/slogr Apache-2.0 golang.org/x/exp BSD-3-Clause golang.org/x/text BSD-3-Clause gotest.tools/v3 Apache-2.0 helm.sh/helm/v3 Apache-2.0 k8s.io/api Apache-2.0 k8s.io/apimachinery Apache-2.0 k8s.io/client-go Apache-2.0 k8s.io/kubectl Apache-2.0 sigs.k8s.io/controller-runtime Apache-2.0 **GOAT:** The following 3rd-party open source components are used in the CircleCI General Orchestration Agent (GOAT). GOAT is an agent used by self-hosted container runners for managing the container environment. For more information, see the [Container Runner](https://circleci.com/docs/guides/execution-runner/container-runner/) guides. Name License gopkg.in/yaml.v3 Apache-2.0 OR MIT github.com/aws/aws-sdk-go Apache-2.0 github.com/distribution/reference Apache-2.0 gotest.tools/v3 Apache-2.0 k8s.io/api Apache-2.0 k8s.io/apimachinery Apache-2.0 k8s.io/client-go Apache-2.0 k8s.io/kubectl Apache-2.0 k8s.io/utils Apache-2.0 sigs.k8s.io/gateway-api Apache-2.0 dario.cat/mergo BSD-3-Clause github.com/google/go-cmp BSD-3-Clause github.com/google/uuid BSD-3-Clause golang.org/x/sync BSD-3-Clause github.com/alecthomas/kong MIT github.com/cenkalti/backoff/v5 MIT github.com/gin-gonic/gin MIT github.com/goccy/go-json MIT github.com/jellydator/ttlcache/v3 MIT github.com/kr/pretty MIT gopkg.in/natefinch/lumberjack.v2 MIT **CircleCI runner:** The following 3rd-party open source components are used in the CircleCI self-hosted runner. The CircleCI runner is a utility used to run CirlceCI jobs on self-hosted infrastructure. For more information, see the [Self-Hosted Runner Overview](https://circleci.com/docs/guides/execution-runner/runner-overview/) guides. Name License dario.cat/mergo BSD-3-Clause github.com/DataDog/datadog-go/statsd MIT github.com/alecthomas/kong MIT github.com/aws/aws-sdk-go-v2 Apache-2.0 github.com/aws/aws-sdk-go-v2/config Apache-2.0 github.com/aws/aws-sdk-go-v2/credentials Apache-2.0 github.com/aws/aws-sdk-go-v2/feature/ec2/imds Apache-2.0 github.com/aws/aws-sdk-go-v2/internal/configsources Apache-2.0 github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 Apache-2.0 github.com/aws/aws-sdk-go-v2/internal/ini Apache-2.0 github.com/aws/aws-sdk-go-v2/internal/sync/singleflight BSD-3-Clause github.com/aws/aws-sdk-go-v2/service/ecr Apache-2.0 github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding Apache-2.0 github.com/aws/aws-sdk-go-v2/service/internal/presigned-url Apache-2.0 github.com/aws/aws-sdk-go-v2/service/signin Apache-2.0 github.com/aws/aws-sdk-go-v2/service/sso Apache-2.0 github.com/aws/aws-sdk-go-v2/service/ssooidc Apache-2.0 github.com/aws/aws-sdk-go-v2/service/sts Apache-2.0 github.com/aws/smithy-go Apache-2.0 github.com/aws/smithy-go/internal/sync/singleflight BSD-3-Clause github.com/blang/semver/v4 MIT github.com/cenkalti/backoff/v5 MIT github.com/cespare/xxhash/v2 MIT github.com/circleci/ex MIT github.com/davecgh/go-spew/spew ISC github.com/distribution/reference Apache-2.0 github.com/emicklei/go-restful/v3 MIT github.com/fatih/camelcase MIT github.com/fxamacker/cbor/v2 MIT github.com/gabriel-vasile/mimetype MIT github.com/gin-contrib/sse MIT github.com/gin-gonic/gin MIT github.com/go-errors/errors MIT github.com/go-logr/logr Apache-2.0 github.com/go-logr/stdr Apache-2.0 github.com/go-openapi/jsonpointer Apache-2.0 github.com/go-openapi/jsonreference Apache-2.0 github.com/go-openapi/swag Apache-2.0 github.com/go-openapi/swag/cmdutils Apache-2.0 github.com/go-openapi/swag/conv Apache-2.0 github.com/go-openapi/swag/fileutils Apache-2.0 github.com/go-openapi/swag/jsonname Apache-2.0 github.com/go-openapi/swag/jsonutils Apache-2.0 github.com/go-openapi/swag/loading Apache-2.0 github.com/go-openapi/swag/mangling Apache-2.0 github.com/go-openapi/swag/netutils Apache-2.0 github.com/go-openapi/swag/stringutils Apache-2.0 github.com/go-openapi/swag/typeutils Apache-2.0 github.com/go-openapi/swag/yamlutils Apache-2.0 github.com/go-playground/locales MIT github.com/go-playground/universal-translator MIT github.com/go-playground/validator/v10 MIT github.com/goccy/go-json MIT github.com/goccy/go-yaml MIT github.com/google/btree Apache-2.0 github.com/google/gnostic-models Apache-2.0 github.com/google/go-cmp/cmp BSD-3-Clause github.com/google/shlex Apache-2.0 github.com/google/uuid BSD-3-Clause github.com/gregjones/httpcache MIT github.com/grpc-ecosystem/grpc-gateway/v2 BSD-3-Clause github.com/hellofresh/health-go/v5 Apache-2.0 github.com/jellydator/ttlcache/v3 MIT github.com/json-iterator/go MIT github.com/kr/pretty MIT github.com/kr/text MIT github.com/leodido/go-urn MIT github.com/liggitt/tabwriter BSD-3-Clause github.com/mattn/go-isatty MIT github.com/moby/term Apache-2.0 github.com/modern-go/concurrent Apache-2.0 github.com/modern-go/reflect2 Apache-2.0 github.com/monochromegane/go-gitignore MIT github.com/munnerz/goautoneg BSD-3-Clause github.com/mvdan/sh/shell BSD-3-Clause github.com/opencontainers/go-digest Apache-2.0 github.com/pelletier/go-toml/v2 MIT github.com/peterbourgon/diskv MIT github.com/pmezard/go-difflib/difflib BSD-3-Clause github.com/quic-go/qpack MIT github.com/quic-go/quic-go MIT github.com/rogpeppe/go-internal/fmtsort BSD-3-Clause github.com/rollbar/rollbar-go MIT github.com/shirou/gopsutil BSD-3-Clause github.com/spf13/cobra Apache-2.0 github.com/spf13/pflag BSD-3-Clause github.com/ugorji/go/codec MIT github.com/vmihailenco/go-tinylfu MIT github.com/x448/float16 MIT github.com/xlab/treeprint MIT go.opentelemetry.io/auto/sdk Apache-2.0 go.opentelemetry.io/otel Apache-2.0 go.opentelemetry.io/otel BSD-3-Clause go.opentelemetry.io/otel/exporters/otlp/otlptrace Apache-2.0 go.opentelemetry.io/otel/exporters/otlp/otlptrace BSD-3-Clause go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc Apache-2.0 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc BSD-3-Clause go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp Apache-2.0 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp BSD-3-Clause go.opentelemetry.io/otel/metric Apache-2.0 go.opentelemetry.io/otel/metric BSD-3-Clause go.opentelemetry.io/otel/sdk Apache-2.0 go.opentelemetry.io/otel/sdk BSD-3-Clause go.opentelemetry.io/otel/trace Apache-2.0 go.opentelemetry.io/otel/trace BSD-3-Clause go.opentelemetry.io/proto/otlp Apache-2.0 go.yaml.in/yaml/v2 Apache-2.0 go.yaml.in/yaml/v3 MIT golang.org/x/crypto BSD-3-Clause golang.org/x/mod/semver BSD-3-Clause golang.org/x/net BSD-3-Clause golang.org/x/oauth2 BSD-3-Clause golang.org/x/sync BSD-3-Clause golang.org/x/sys BSD-3-Clause golang.org/x/term BSD-3-Clause golang.org/x/text BSD-3-Clause golang.org/x/time/rate BSD-3-Clause google.golang.org/genproto/googleapis/api/httpbody Apache-2.0 google.golang.org/genproto/googleapis/rpc Apache-2.0 google.golang.org/grpc Apache-2.0 google.golang.org/protobuf BSD-3-Clause gopkg.in/evanphx/json-patch.v4 BSD-3-Clause gopkg.in/inf.v0 BSD-3-Clause gopkg.in/natefinch/lumberjack.v2 MIT gopkg.in/yaml.v3 MIT k8s.io/api Apache-2.0 k8s.io/apimachinery/pkg Apache-2.0 k8s.io/apimachinery/third\_party/forked/golang BSD-3-Clause k8s.io/cli-runtime/pkg Apache-2.0 k8s.io/client-go Apache-2.0 k8s.io/client-go/third\_party/forked/golang/template BSD-3-Clause k8s.io/component-helpers/resource Apache-2.0 k8s.io/klog/v2 Apache-2.0 k8s.io/kube-openapi/pkg Apache-2.0 k8s.io/kube-openapi/pkg/internal/third\_party/go-json-experiment/json BSD-3-Clause k8s.io/kube-openapi/pkg/validation/spec Apache-2.0 k8s.io/kubectl/pkg Apache-2.0 k8s.io/utils Apache-2.0 k8s.io/utils/internal/third\_party/forked/golang/net BSD-3-Clause mvdan.cc/sh BSD-3-Clause sigs.k8s.io/gateway-api Apache-2.0 sigs.k8s.io/json Apache-2.0 sigs.k8s.io/json BSD-3-Clause sigs.k8s.io/kustomize/api Apache-2.0 sigs.k8s.io/kustomize/kyaml Apache-2.0 sigs.k8s.io/randfill Apache-2.0 sigs.k8s.io/structured-merge-diff/v6 Apache-2.0 sigs.k8s.io/yaml MIT sigs.k8s.io/yaml Apache-2.0 sigs.k8s.io/yaml BSD-3-Clause